From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 27990 invoked by alias); 18 Dec 2012 22:48:39 -0000 Received: (qmail 27881 invoked by uid 55); 18 Dec 2012 22:48:11 -0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/39464] [4.6/4.7/4.8 Regression] Attribute may_alias causes invalid warning Date: Tue, 18 Dec 2012 22:48:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Keywords: diagnostic X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: jakub at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.6.4 X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2012-12/txt/msg01816.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39464 --- Comment #15 from Jakub Jelinek 2012-12-18 22:48:09 UTC --- Author: jakub Date: Tue Dec 18 22:48:04 2012 New Revision: 194594 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194594 Log: PR c/39464 * c-typeck.c (convert_for_assignment): For -Wpointer-sign warning require that both c_common_unsigned_type as well as c_common_signed_type is the same for both mvl and mvr types. * gcc.dg/pr39464.c: New test. Modified: trunk/gcc/c/ChangeLog trunk/gcc/c/c-typeck.c trunk/gcc/testsuite/ChangeLog